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Which of the following types of flames is the correct one for heating and cutting with the oxyacetylene rig?

Carburizing flame

Neutral flame

The correct type of flame for heating and cutting with the oxyacetylene rig is the neutral flame. A neutral flame has an equal amount of oxygen and acetylene, resulting in a clean and efficient burn. Carburizing flame has excess acetylene, oxidizing flame has excess oxygen, and reducing flame has excess fuel gas, which are not suitable for heating and cutting metals efficiently.

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Oxidizing flame

Reducing flame

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